1. Integral heater shell anti-knocks, sturdiness guarantee, simplicity definition

2. Real 360° non-dead-corner heating – no obstacles between you and the tube

3. Patented non-electric power switch buttoning structure, extra safety

4. Cable let-out from the base not the body – extra protection from kicking or treading

5. Safe touch – fabric flocked vents area

6. IP55 - real weatherproof grade

7. Ø11cm body - the slimmest in the similar kind